#181A67#181A67

#181A67 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.131 H 272.9°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#181A67
RGB	rgb(24, 26, 103)
HSL	hsl(238, 62%, 25%)
HSV	hsv(238, 77%, 40%)
CMYK	cmyk(76.7%, 74.8%, 0%, 59.6%)
CIE-LAB	lab(15.02, 27.64, -45.08)
CIE-LCH	lch(15.02, 52.88, 301.52°)
OKLab	oklab(27.89% 0.0067 -0.1304)
OKLCH	oklch(27.89% 0.131 272.9)
XYZ	xyz(3.1934, 1.9119, 13.0301)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A67 #676518

analogous

#184267 #181A67 #3E1867

triadic

#181A67 #67181A #1A6718

tetradic

#181A67 #671842 #676518 #18673E

square

#181A67 #671842 #676518 #18673E

split-complementary

#181A67 #673E18 #426718

monochromatic

#060619 #0C0D35 #181A67 #242799 #2F33CA

Accessibility & contrast

On white

15.19

#181A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#181A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A67

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A67	#FFFFFF	#000000	##FFFFFF
##181A67	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002969

Deuteranopia (green-blind)

#002266

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181a67;
/* rgb */ color: rgb(24, 26, 103);
/* oklch */ color: oklch(27.9% 0.131 272.9);

Tailwind

colors: {
  custom: {
    50: '#635793',
    500: '#181a67',
    950: '#000000',
  },
}

SCSS

$custom: #181a67;
$custom-light: #635793;
$custom-dark: #000000;

JSON

{
  "hex": "#181a67",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 103
  },
  "hsl": {
    "h": 238.481,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27895,
    "c": 0.13056,
    "h": 272.9
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#181A67

secondary

#9D9B3E

accent

#E143E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181A67

Body copy rendered with the generated semantic roles for this colour.

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